refactor!: align GraphQL types to conform with database and Hasura string casts

- configures Hasura to cast number that have potential to overflow JS 32-bit
integers, including `numeric` and `bigint`, as strings.

Author: iadmytro

packages/api-cardano-db-hasura/hasura/Dockerfile

@@ -7,5 +7,6 @@ ENV \
   POSTGRES_PASSWORD_FILE=/run/secrets/postgres_password \
   POSTGRES_USER_FILE=/run/secrets/postgres_user \
   HASURA_GRAPHQL_ENABLED_LOG_TYPES="startup, http-log, webhook-log, websocket-log" \
-  HASURA_GRAPHQL_ENABLE_TELEMETRY=false
+  HASURA_GRAPHQL_ENABLE_TELEMETRY=false \
+  HASURA_GRAPHQL_STRINGIFY_NUMERIC_TYPES=true
 EXPOSE 8080